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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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S
DALL-E 3
B
GitHub Copilot
B
Le Chat (Mistral)
B
TaglineRun any open-source AI model with an API call.OpenAI's image model. Built into ChatGPT Plus.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.French alternative. Fast, European, privacy-focused.
Categorydev platformimagecodingchat
PricingPay per second of computeIncluded with ChatGPT Plus $20/moFree (limited) + $10/mo Pro + $19/mo BusinessFree + $15/mo Pro
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).ChatGPT Plus users who want images without paying extra.Teams with GitHub already. Devs who don't want to change IDEs.European users with data residency needs. Fans of open-weight models.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • European data residency
  • Very fast responses
  • Open-weight Mistral models available
  • Good French/European languages
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Smaller capability gap vs frontier models
  • Less polished UX
Kai's verdictS-tier for open-source model APIs. The default in this space.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.B-tier overall, A-tier if GDPR/data residency matters. Solid backup option.
LinkOpen →Open →Open →Open →